diff --git a/packages/designer/src/project/project.ts b/packages/designer/src/project/project.ts
index a1099187b..48d57da95 100644
--- a/packages/designer/src/project/project.ts
+++ b/packages/designer/src/project/project.ts
@@ -83,7 +83,7 @@ export class Project {
         const documentInstances = this.data.componentsTree.map((data) => this.createDocument(data));
         // TODO: 暂时先读 config tabBar 里的值，后面看整个 layout 结构是否能作为引擎规范
         if (this.config?.layout?.props?.tabBar?.items?.length > 0) {
-          documentInstances.find((i) => i.fileName === this.config.layout.props.tabBar.items[0].path)?.open();
+          documentInstances.find((i) => i.fileName === this.config.layout.props.tabBar.items[0].path?.slice(1))?.open();
         } else {
           documentInstances[0].open();
         }